Category: Chemistry

Prion diseases or transmissible spongiform encephalopathy’s can be inheritable or transmissible, a common feature of the prion disease involves the change of the prion protein (PrPc) to the isoform PrPsc (Hu et al, 2007). Prion propagation involves a mechanism that changes PrPc to PrPsc in an autocatalytic way (Harris and True, 2006). PrPc is said […]

Acknowledgement The preparation of this project on the topic-” substitution reactions.”: a profile’ would not have been possible without the valuable contribution of my TEACHERS. I would like to give most specially thanks to my CHE sir Dr. Ashish kumar who is my chemistry teacher to giving me the important guidelines during making this project. […]

Currently, there has been an international concern and fear about the disease “The Swine” or Swine Flu. The main question that all the experts were worried about was whether the swine flu is an epidemic or a pandemic. An epidemic is defined as an outbreak of a contagious disease that can be widely spread and […]

Introduction: If an exogenous microorganism enters the human body, this invokes the immune system to produce antibodies to come into contact with the foreign potentially pathogenic species and lead to its destruction. Although when drug molecules enter the human body this does not result in the synthesis of antibodies, due to their relatively small molecular […]

Another type of malware that is not technically a virus because there is usually no auto-replication is a Trojan horse program, which seems to be something useful, as a free utility, but actually contains some kind of malware. The unhappy about a Trojan program that is running the software users willingly and still do not […]

Introduction Copper, elemental symbol Cu, is a transition d-block metal, and is the least reactive of the first row metals. Copper can have the oxidation states +1 and +2 and can form many complexes with various ligands. The Cu 2+ ion, at low concentrations, is an essential element to plant and animal life, and a […]

A Review Of The Use Of Platelets Introduction Blood is circulated by the heart around the body and performs many physiological functions because of the many components in blood. Half of the blood consists of cells, whereas the other half is plasma fluid. Plasma contains the nutritional material, waste, and proteins which play a part […]

Introduction of title The terms of “forensic science” cover those professions which are involved in the application of social and physical science to the criminal justice system. Forensic experts are expected to find out the details of method used, to substantiate the choice of the applied technique and to give their unbiased conclusions. Therefore, the […]

Introduction: History of Perfume The word perfume itself is derived from the Latin per fume, which means “through smoke”. Due to the fact that the original use of aromatic materials was of burning incense, as an offering to the gods.1 Aromatic materials have been used for a variety of different purposes over the past thousand […]

Introduction The periodic table is continually enriched with new elements synthesised by nuclear reactions in laboratories, but only 90 of all the elements occur naturally. Those are found between atomic numbers 1 to 92, which is from 1H to 92U, excluding the elements technetium (43Tc) and promethium (61Pm). The latter two are made artificially, even […]